Home / 1,081,399.51-1,622,260.51-398,233.82

Finding the Fourth Proportional to 1,081,399.51, 1,622,260.51 and 398,233.82

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Solution

The fourth proportional to 1,081,399.51, 1,622,260.51 and 398,233.82 is: 597,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,399.51 : 1,622,260.51 = 398,233.82 : x
  2. Step 2: Convert to fraction form
    1,081,399.51/1,622,260.51 = 398,233.82/x
  3. Step 3: Cross multiply
    1,081,399.51x = 1,622,260.51 × 398,233.82
  4. Step 4: Simplify right side
    1,081,399.51x = 646,038,993,867.30
  5. Step 5: Solve for x
    x = 646,038,993,867.30/1,081,399.51
  6. Step 6: Final answer
    x = 597,410.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.